Hi Peter
My members are registered in the private area (which I have renamed "Members' Area".
When they register the system allows them to receive email notifications generated via the noticeboard. The information is always in the noticeboard, for people to refer back to. The problem is that each member has to go into their profile and opt-in to receive email notifications (the default is opt-out).
That May solve your problem regarding communications. The trick is to get everyone to opt-in.
Alan